(Background: /dev/sda5 mounted to /mnt/sda5 is my old home partition, but I do not want to mount it as a home partition, as I always have at least 2 Linuxes on the computer ...)

That works well, but since 12.10 every one of those items is listed in Nautilus in the left column under "Devices". (Where normally USB drives appear, etc.)
This is a waste of space (as I have many of such mounts...) and so I would like to have these mounts hidden, just as it was before in 12.04. How can I do that?

Are you using Nautilus 3.6 from the Gnome PPA? 12.10 uses the same Nautilus that is in 12.04, so you should not have this problem if you are using the right version of Nautilus.
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RolandiXor♦Sep 27 '12 at 15:38

It's nautilus 3.4.2 from the official ubuntu repositories, no other PPA is used. So maybe something else caused it?
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BazonSep 28 '12 at 16:24

Years ago, I tried that before and ran into some problems because some programs didn't recognize the symlinks as folders. Because of your answer, I tried it again and don't have problems so far... and I should add: mounting to /mnt isn't displayed in nautilus either.
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BazonSep 28 '12 at 16:25

i have the same problem now in quantal but not in precise. Why I have to mount my Music partition not in home? in precise there wasn't this problem!
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fluxSep 29 '12 at 13:56

if you read the question you will notice that this problem is related to quantal (12.10) when he said "That works well, but since 12.10 every one of those items is listed in Nautilus in the left column under "Devices""
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user91632Sep 29 '12 at 14:56